JGBi Reference Index & Index Ratios (2026-09-11)
| Issue | Base CPI | Ref. CPI | Index ratio | Indexed principal (per 100 face) |
|---|---|---|---|---|
| Inflation-Indexed JGB (10-Year) No. 31 | 112.2 | 101.713 | 1.00815 | 100.815 |
| Inflation-Indexed JGB (10-Year) No. 30 | 109.6 | 101.713 | 1.03207 | 103.207 |
| Inflation-Indexed JGB (10-Year) No. 29 | 106.4 | 101.713 | 1.06311 | 106.311 |
| Inflation-Indexed JGB (10-Year) No. 28 | 104.1 | 101.713 | 1.08659 | 108.659 |
| Inflation-Indexed JGB (10-Year) No. 27 | 100.0 | 101.713 | 1.13114 | 113.114 |
| Inflation-Indexed JGB (10-Year) No. 26 | 101.1 | 101.713 | 1.14358 | 114.358 |
| Inflation-Indexed JGB (10-Year) No. 25 | 102.2 | 101.713 | 1.13127 | 113.127 |
| Inflation-Indexed JGB (10-Year) No. 24 | 101.4 | 101.713 | 1.14019 | 114.019 |
| Inflation-Indexed JGB (10-Year) No. 23 | 100.7 | 101.713 | 1.14812 | 114.812 |
| Inflation-Indexed JGB (10-Year) No. 22 | 99.8 | 101.713 | 1.15847 | 115.847 |
Ref. CPI 2023-05-10〜2026-09-11
Source: Ministry of Finance, JGBi reference index and index ratios.
Consumer Price Index (Japan, 2020=100) 2026-07
| Index | YoY % | |
|---|---|---|
| All items | 114.2 | 2.0 |
| Core (ex fresh food) | 113.6 | 1.8 |
| Core-core (ex fresh food & energy) | 112.6 | 1.8 |
Source: Statistics Bureau of Japan, Consumer Price Index.
| Issue | Coupon (%) | Issue Date | Maturity | Remaining | Last auction | Auct. yield (%) | Outstanding | BOJ Holding | BOJ share | |
|---|---|---|---|---|---|---|---|---|---|---|
| Inflation-Indexed JGB (10-Year) No. 31new | 0.6 | 2026-05-07 | 2036-03-10 | 9.5y | 2026-08-12 | 0.860 | — | ¥99.7B | — | calc |
| Inflation-Indexed JGB (10-Year) No. 30 | 0.005 | 2025-05-23 | 2035-03-10 | 8.5y | 2026-02-10 | 0.458 | ¥958.5B | ¥207.4B | 21.6% | calc |
| Inflation-Indexed JGB (10-Year) No. 29 | 0.005 | 2024-05-21 | 2034-03-10 | 7.5y | 2025-02-12 | -0.269 | ¥967.9B | ¥179B | 18.5% | calc |
| Inflation-Indexed JGB (10-Year) No. 28 | 0.005 | 2023-05-24 | 2033-03-10 | 6.5y | 2024-02-05 | -0.468 | ¥951.7B | ¥423.9B | 44.5% | calc |
| Inflation-Indexed JGB (10-Year) No. 27 | 0.005 | 2022-05-17 | 2032-03-10 | 5.5y | 2023-02-09 | -0.173 | ¥920.6B | ¥506.8B | 55.1% | calc |
| Inflation-Indexed JGB (10-Year) No. 26 | 0.005 | 2021-05-18 | 2031-03-10 | 4.5y | 2022-02-08 | -0.388 | ¥803B | ¥576B | 71.7% | calc |
| Inflation-Indexed JGB (10-Year) No. 25 | 0.2 | 2020-05-11 | 2030-03-10 | 3.5y | 2021-02-08 | -0.121 | ¥576.4B | ¥449.4B | 78.0% | calc |
| Inflation-Indexed JGB (10-Year) No. 24 | 0.1 | 2019-05-13 | 2029-03-10 | 2.5y | 2020-02-12 | -0.150 | ¥1.5T | ¥538.8B | 36.5% | calc |
| Inflation-Indexed JGB (10-Year) No. 23 | 0.1 | 2018-05-11 | 2028-03-10 | 1.5y | 2019-02-15 | -0.287 | ¥1.5T | ¥792B | 53.9% | calc |
| Inflation-Indexed JGB (10-Year) No. 22 | 0.1 | 2017-04-13 | 2027-03-10 | 0.5y | 2018-02-06 | -0.464 | ¥1.6T | ¥927.9B | 59.1% | calc |